Individual Healthcare Provider
Aaron Isamu Karlen, M.D., J.D.
Provider's NPPES record last updated: June 10, 2019
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1104184415
- Primary Specialty
- Orthopaedic Surgery — Hand Surgery
- Practice Location
- Salem, Oregon
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 17, 2026, 10:44 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Orthopaedic Surgery
Hand Surgery
Allopathic & Osteopathic Physicians
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
Taxonomy code 207XS0106X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Orthopaedic Surgery (Oregon)
- MD187069
Practice Locations
Practice Location
1600 State St
Salem, Oregon 97301
Phone: (503) 540-6300
Additional Practice Location
5825 Shoreview Ln N
Keizer, Oregon 97303-3978
Phone: (503) 540-6471
Fax: (503) 540-6404
Record Information
- Enumeration Date
- April 25, 2012
- Provider's NPPES Record Last Updated
- June 10, 2019
- NPISignal NPPES Dataset
- August 2026
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